Headphones



FIG. 1 is a perspective view of a set of headphones as seen from the front and left side;

FIG. 2 is a perspective view thereof as seen from the front and right side;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a left side view thereof ;

FIG. 6 is a right side view thereof;

FIG. 7 is a perspective view thereof as seen from the left side and bottom;

FIG. 8 is a perspective view thereof as seen from the right side and bottom;

FIG. 9 is a top end view thereof; and,

FIG. 10 is a bottom end view thereof.

The dotted line portions of the drawings represent environmental structure only and do not form part of the claimed design. 

CLAIM The ornamental design for headphones, substantially as shown and described. 